of daytqit



1933- A. s. WHEELBARGER ET AL 1,399,250

FULL STROKE MECHANI SM Original Filed Oct. 29. 1925 I //'vv/v 70/?5. /8 4185975. WHLBAR6ER v 630 145/? c. COIL.

ATTORNEY l Patented Feb- 2 8 1933i 7 J issue a ticket and toi'p'revent the operator ALBERT s. WHEELIBA'BGER Ann onovnnozoom orij n Y'ron, OHIO, ASSIGNOBS To] OHMER FAREBEGISTER'COMPANY, F DAYTON OHIO I IULL s'r'noxn MECHANISM-Q origmiiap ucamn mm October 29, 925; iserm No. 65,532. mamas this applicatiomfiled September I 1 i 20,1929. Serial No.395,330. p a

i This invention relates to a full stroke mechanism and is a division of the application of Albert S; VVheelbarg'er andGrover. C. Coil; Serial Number 65,532, filed October' 29, 1925.

'The, object. ofthe invention is to provide means whereby the conductor is compelledto from rotating the crank handle, for a portion of a rotation and thenrotating it backwardly to its original-position. "Another object'fof the invention is to provide means toipositively stopthe rotation offthe crank handle after it has completed its operation; Another object of the invention is toprovlde'means "whereby it is necessary to, rotate the crank 'handle'rearwardlyfora short distance in or 'v der to unlock the mechanism so that the crank handle: can be rotated inits normal direction to operate the niachine. l Referring .to the. drawing l Fig.1 is an elevational view of the left'side of the machine v Fig.2 is a fragmentary portion of the front of the-machine, and 1 I 1 v Fig. 3 is a detailed view of the lockin'gdog and the operating mechanism therefor. Allof these views are shown with the casing of the machine removed.

The rachet 8 is rigidl-ymounted on the shaft" 9." On the same shaft is mounted a disk 10.

' The ratchet 8 is provided with ratchet teeth I stop pin 211by'1neansof a spring 22. Secured j to the disk 10 is'a gear 23 which gear isrotatfor the major portion of its circumference and is also provided witha large; tooth 12. The, disk 10 is provided with a single tooth 13. The .disk10 is rotatably mounted on the shaft'9 and is operatively connected withtheratchet 8'by means of a pin 14 on the disk 10; which 7 T pin extendsthrough a, slot 15 in the ratchet 8.

The dog 11 is pivoted on. a pin 16 andris-provided with a nose 17 actuated bythe tooth 12 and a nose.18. actuated by the tooth 13.1, The

dog ll isv -shaped and is held; in either of its two positions by means of a lever19piv'otedon a pin 20 in one of the sidewallsof the machine. A stop pin 21. projects -from theside of the casingimmediately above the lever 19. Thelever 19 is normally :urge'd toward: the

ably mountedon the shaft9 and is in mesh with a pinion 24 secured to which shaft also receives a crank handle 26. The plnlon 24 is one-half the size ofthe gear 23 so that the crankhandle 26 must-be rotated twice I in order to rotate the. gear 23 and shaftf9one complete 5 revolution. After the shafti9 has been completely rotatedthedog 11 is in the position shown in Fig. 1 with the nose 18 en, 7

gaging a 'tooth27 'ontheratchet 8. 1 p The crank 'handle 26is normally rotated in in the position shown in Fig.1 the crank bane dle26 cannot be rotated in a clockwise directlOILfOI if it were the gear .23 wouldbe rotated. in an anti clockwise directiomwhich ac Q l in a clockwise d1rect1on, but when the parts are 'tion is prevented by the nose 18 engaging the l tooth 27. The crank'handle'26 must therefore be rotated slightly in an anti-clockwise direc tion so that the tooth 13'will ,engage the nose lever 19 passes the lower extremity of the dog 11 whereupon the spring 22pulls the lever 19 upwardly holding the nose17 and the dog 11 I against theteeth of the ratchet8. The ratchet Joan now be rotated in a clockwise direction by means of the pin 14 engaging the end of the I slot 15. Atthe end of the'complete rotation the tooth 12 engagesla nose 17 of the dog 11 and rocks the doginto the position shoWnin Fig. 1. .Asthedogl1was being thus rocked *the lever 19 was depressed untilthe upper end thereof passed the lower extremity of [the dogll and thespring 22 then pulled the lever 19 upwardly holding the dogllin that posi-. tion.a= V

, The object of the pin and slot connection is topermit of the slightanti-clockwise ro-v tation' of the crank handle 26, without rotating the shaft9. This construction prevents the operator from accidentally rotatingfthe crank handle 26ifo1- two movements. are necit essary in order to [actuate the shaft :9 ;;first,

a slight antieclock'wiserotation of the crank made inthe construction of the various parts shown and described ,in this application 7 e5 handle 26*and then two'co'mplete revolutions thereof; j

It is obvious that many changes may be I predisk and said ratchet, and means whereby said ratchet is locked or unlocked, said means being controlled by said enlarged teeth.

2. In a machineof the class described, a full stroke mechanism including afshaft, a ratchet anda disk, one of which is rotatably mounted and the other of which is fixed on said shaft, a lost motion connection between said disk andratchet, a double nosed dog, means carried by said ratchet to trip said dog so as to lock saidratchet' when the ratchet has completed a revolution," and means carried by thedisk to trip said dog so as to unlock said ratchet when the disk is moved slightly'in the reverse direction from its normal rotation.

d 3. In a machine of the classdescribed, ashaft, means whereby'said shaft is rotated,

means whereby said shaft is locked against reverse rotation, means whereby said shaft is locked against further movement-after it has made acomplete revolution, and means whereby said shaft may be unlocked so that it may be operated normally, said three last mentioned means including av double nosed do I i In a machine of the class described, a shaft, means whereby said shaft is rotated, means whereby said shaftis locked against reverse rotation, means whereby said shaft is locked against furthermovement after it has made a complete revolution and means whereby said shaft may be unlocked sothat it may be operated normally, said three last mentioned means including a double nosed dog and means whereby said" dog is held in either of two positions. i A

5. In a machine of the class described, a full stroke mechanism, including a shaft, a ratchet secured thereto, an actuatingigear,

a disk secured to said gear, a lost motion connection between said disk and said ratchet and means whereby said ratchet is locked or 1 unlocked and means carried by said ratchet and disk to control the locking and unlocking means for said ratchet.

6. In a machine of the class described, a full strokemechanism includlng a shaft, a ratchet secured thereto, an enlarged tooth forming a part of said ratchet, a diskloosely mounted on said shaft, an enlarged tooth forming a part 7 of said disk, a lost motion connection between said disk and ratchet, and means controlled by 8. In a full stroke mechanism, a shaft, a.

ratchet secured thereto, a disk rotatably mounted on said shaft, an enlarged tooth on said ratchet, an enlarged tooth on said disk, and a double nosed dog controlled by said enlarged teeth to lock or unlock said ratchet.

9. In a full stroke mechanism, a shaft, a ratchet secured thereto, a disk rotatably mounted on said shaft, an enlarged tooth on said ratchet, an enlarged tooth on said disk, and a pivoted double nosed dog adapted to be shiftedon its pivot by said enlarged teeth to lock or unlock said ratchet.

10. In a'full stroke mechanism, a shaft, a ratchet secured thereto, a disk rotatably mounted on said shaft, an enlarged tooth on said ratchet, an enlarged tooth on said disk, actuating means to rotatesaid shaft in one direction, and a pivoted double nosed dog, one of the noses of which engages said ratchet when in normal position so as to prevent said shaft from being rotated by the actuating means, said nose on said disk engaging the last mentioned nose of the dog and rotating the dogon its pivot when the said actuating means is given a slight rotation in a direction opposite to its movement to actuate'the shaft so as to disengage the dog from said ratchet.

11. In a full stroke mechanism, a shaft, a ratchet secured thereto, a disk rotatably mounted on said shaft, an enlarged tooth on said ratchet, an enlarged tooth on said disk, actuating means to rotate said shaft in one direction, and a pivoted double nosed dog, one ofthe noses of which engages said ratchet when in normal position so as to prevent said shaftfrom being rotated by the actuating means, said nose on said disk engaging the last mentioned nose of the dog and rotating the dog on its pivot when the said actuating means given a slight rotation in a direction opposite to its movement to actuate the shaft so as. to disengage the dog from said ratchet the enlarged tooth on said ratchet engaging the other of the noses of said dog and shifting the dog so as to bring the first 'of said noses into locking engagement with saidratchet when the shaft has completed one rotation. I

12. In a full stroke mechanism, a shaft, actuating means therefor, locking means normally locking said shaft against any rotation,

means whereby saidlocking means is released so as to permit said shaft to be rotated, means to prevent retrograde movement of said shaft t to bring said locking means into operation as soon assaid shaft has completed its one revolution. 7 1

In testimony whereof we aflixfoun signs;

ture's; ,t

L E T SJ WHEELBARGER. GROVER'C. COIL; t e 

